Robebt jiitghcock



R, HITCHCOCK.

Car-Axle Box.

Patented Apr. 30,1867.

e%@ QZLWAZ N.PETERs, PHOTO-LITMOGEAPNER, WASHINGTON, n. c.

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ROBERT .HiTCHC-OCK, OF SPRINGFIELD, BIA'SSi-XCHUSETTS, .ASSIGNOR TU JOHH MULLIGAN AND JOHN H. HARE. OF THE SAME PLACE.

Letters Patent 1V0. 64,316, date/l April 30, 1857.

IMPROVED GUIDE FOR AXLE-BOXES.

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TO ALL VHOM IT MAY CONCERN:

Be it known that 1, ROBERT L. HITCIICOCK, of Springfield, llampden county, Massachusetts, have invented a new and improved Guide for Axle-Boxes; and I do her-eh declare that the follmving is a full, clear, and exactdescription thereof, reference being had to the :xmrmnpanying drawings making part of this Specifier-[hon The object of this invention is to obviate the difiienlty hitherto existing in the arrangement of tlnjaws" on railroad 'trucks or cars, which consisted in the use of fixed guides for the axle-box, so that when the said guides were worn off the whole jaw had to be thrown away. My invention overcomes this objection my arranging detachable guides, which are secured to the jaw by belts or other means, and which when worn out can he easily renewed. I want it to be understood that this invention not tlpplieuhle to locomotives, hut enl tn the cars and trucks on railroads. In the annexed drawing my invention is completely illustrated Figure 1, being a front elevation of the jaw and axle-box. Figure 2 is a vertical cross-section through the jaw, taken on the line 1'9, fig. 1. Figure 3 is a horizontal sectional view of the same, taken on the lineg y, fig. 1. Figure 4 is an inside View of one of the detachable guides. Si tnilar letters indicate like parts. A is tliejaw, made of cast iron or other suitable material in the ordinary manner, with the exception of the guide pieces, which herein are made independent from the jaw. The) are metal plates which a re secured to the inner surface of the jaws by means of bolts and nuts (1 at For further security the guides are provided with a wedge-shaped projection, Z2, (fig. 4,) fitting into awedge-shaped recess, (fig. '2 in the jaw. The heads of the bolts (1 a are countersunk in the plates B B, and the plates are provided with guide flanges or bars. (Z (Z,

in the same manner as they were usually arranged formerly in the jaws. 1t will thus he seen that by this arrangement the jaw itself is protected and will not have to he removed as frequently as has now been doire.

Having thus described my invention, what I claim, and desire to serfure h Letters Patent, is

r The detachable metallic guide plates B B, provided with flanges d ('1 upon their inner edges, and having the wedge-shaped projections b fitting into the Wedge-shaped grooves in the jaws A, when all are constructed and arranged as herein set forth for the purpose specified. 7

R031. IIITOIICOC-K.

Witnesses:

WM. F. Mciimiina, ALEX. F. ROBERTS. 

